package com.mmall.concurrency.example.atomic;

import com.mmall.concurrency.annoations.ThreadSafe;

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Semaphore;
import java.util.concurrent.atomic.AtomicReference;
import java.util.concurrent.atomic.LongAdder;

/**
 * Created by dingchen on 2018/7/6.
 */
@ThreadSafe
public class AtomicExample4 {

    private static AtomicReference<Integer> count = new AtomicReference<>(0);

    public static void main(String[] args){
        count.compareAndSet(0,2);//2
        count.compareAndSet(0,1);//no
        count.compareAndSet(1,3);//no
        count.compareAndSet(2,4);//4
        count.compareAndSet(3,5);//no
        System.out.print("count:{}"+count.get());
    }

}
